10285109 has 2 divisors, whose sum is σ = 10285110. Its totient is φ = 10285108.

The previous prime is 10285097. The next prime is 10285139. The reversal of 10285109 is 90158201.

It is a happy number.

10285109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8282884 + 2002225 = 2878^2 + 1415^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10285109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10285139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5142554 + 5142555.

It is an arithmetic number, because the mean of its divisors is an integer number (5142555).

Almost surely, 2^10285109 is an apocalyptic number.

It is an amenable number.

10285109 is a deficient number, since it is larger than the sum of its proper divisors (1).

10285109 is an equidigital number, since it uses as much as digits as its factorization.

10285109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 10285109 is about 3207.0405360706. The cubic root of 10285109 is about 217.4718085626.

The spelling of 10285109 in words is "ten million, two hundred eighty-five thousand, one hundred nine".